def test_line_tool():
img = data.camera()
viewer = ImageViewer(img)
tool = LineTool(viewer.ax, maxdist=10)
tool.end_points = get_end_points(img)
assert_equal(tool.end_points, np.array([[170, 256], [341, 256]]))
# grab a handle and move it
grab = create_mouse_event(viewer.ax, xdata=170, ydata=256)
tool.on_mouse_press(grab)
move = create_mouse_event(viewer.ax, xdata=180, ydata=260)
tool.on_move(move)
tool.on_mouse_release(move)
assert_equal(tool.geometry, np.array([[180, 260], [341, 256]]))
# create a new line
new = create_mouse_event(viewer.ax, xdata=10, ydata=10)
tool.on_mouse_press(new)
move = create_mouse_event(viewer.ax, xdata=100, ydata=100)
tool.on_move(move)
tool.on_mouse_release(move)
assert_equal(tool.geometry, np.array([[100, 100], [10, 10]]))
def test_line_tool():
img = data.camera()
viewer = ImageViewer(img)
tool = LineTool(viewer.ax, maxdist=10)
tool.end_points = get_end_points(img)
assert_equal(tool.end_points, np.array([[170, 256], [341, 256]]))
# grab a handle and move it
grab = create_mouse_event(viewer.ax, xdata=170, ydata=256)
tool.on_mouse_press(grab)
move = create_mouse_event(viewer.ax, xdata=180, ydata=260)
tool.on_move(move)
tool.on_mouse_release(move)
assert_equal(tool.geometry, np.array([[180, 260], [341, 256]]))
# create a new line
new = create_mouse_event(viewer.ax, xdata=10, ydata=10)
tool.on_mouse_press(new)
move = create_mouse_event(viewer.ax, xdata=100, ydata=100)
tool.on_move(move)
tool.on_mouse_release(move)
assert_equal(tool.geometry, np.array([[100, 100], [10, 10]]))